352 results about "Simulation design" patented technology

The invention discloses a simulating design system for city expressway interchanges, comprising: data acquisition, model calibration, a data-out module, an evaluation and analysis module connecting with the model calibration module and data-out module respectively, and a data amendment module connecting between the evaluation and analysis module and the model calibration module. Meanwhile a model building and design method using the design system is disclosed too, which comprises: collecting the characteristic parameter of the traffic flow of typical expressway basic sections, interchange triage / confluence area, cutting area and various ramps; building the corresponding database and traffic capacity theoretical analysis model; demarcating and amending speed and density model with determinate service level; building traffic capacity analysis model suiting the traffic flow characteristic of the city expressway interchange. At last, the design of the lectotype of the city expressway interchanges conducted by the design model comprises analyzing and forecasting the traffic, raising a preliminary scheme, calculating the traffic capacity of the interchange, analyzing the suitability, selecting a rational strategy.

The invention discloses a home simulation design system.The system comprises a home housing type simulation design subsystem, a home decoration simulation design subsystem, a home simulation display subsystem and a two-dimensional code generation subsystem, wherein the home housing type simulation design subsystem conducts simulation design on a home housing type to obtain a three-dimensional home housing type model; the home decoration simulation design subsystem is used for simulation design of internal decoration of the three-dimensional home housing type model to obtain a home decoration model; the three-dimensional home housing type model and the home decoration model are displayed through two-dimensional planar graph, three-dimensional navigating, three-dimensional video cartoon and / or panoramic images; the two-dimensional code generation subsystem generates a two-dimensional code with a network address through display modes.By means of the system, a client can easily and conveniently make home design requests and finish design through a computer network, home housing type decoration effects can be displayed in a three-dimensional mode, and scene experience is achieved.A simple home simulation design means easy to use is provided for the client, design precision is high, simulation scenes are vivid, and the system conforms to the tendency of personalization, networking and convenience of house simulation design.

The invention provides a cellular automaton model based urban road network traffic flow simulation design method. The cellular automaton model based urban road network traffic flow simulation design method comprises the following steps of 1 establishing an urban road network consisting of a plurality of bidirectional two-lane roads; 2 establishing an on-lane vehicle update rule; 3 establishing a vehicle update rule at intersection positions and establishing a deadlock avoiding rube, wherein vehicles on the cells in the intersections and cells on the peripheries of the intersections follow different update rules; 4 distributing N vehicles in the urban road network to perform a simulation experiment, wherein the vehicles rung by following the rule in the step 2 and the rule in the step 3; 5 acquiring outgoing data of the vehicles in the step 4 and performing calculation and analysis so as to evaluate the characteristic of traffic flows of the urban road network. By means of the cellular automaton model based urban road network traffic flow simulation design method, the running states of complicated traffic flows of the bidirectional two-lane roads and the intersections can be really reflected, and the truthfulness of traffic simulation can be improved.

The invention discloses a simulating design system for city expressway interchanges, comprising: data acquisition, model calibration, a data-out module, an evaluation and analysis module connecting with the model calibration module and data-out module respectively, and a data amendment module connecting between the evaluation and analysis module and the model calibration module. Meanwhile a modelbuilding and design method using the design system is disclosed too, which comprises: collecting the characteristic parameter of the traffic flow of typical expressway basic sections, interchange triage / confluence area, cutting area and various ramps; building the corresponding database and traffic capacity theoretical analysis model; demarcating and amending a speed and density model with determinate service level; building a traffic capacity analysis model suiting the traffic flow characteristic of the city expressway interchanges. Designers can carry out the adaptability analysis of the interchanges for communications using the design model, so as to conduct the design of the lectotype of the city expressway interchanges.

The invention relates to a communication satellite effective load test system simulation platform, and a test rule module stores test rules. A simulation core module reads the data interpretation results of a data analysis module, and a discrete event driving mechanism is adopted to determine the execution time of an event and execute the corresponding event. A simulation design module establishes the node composition and connection of a test system; in establishment, the attributes of a satellite effective load are classified into different working states, and each working state corresponds to one process; and all the working states of the same satellite effective load form a node. An event queue list storages the simulation events and the corresponding execution time. A data acquisition module receives data which is generated in some nodes or processes in simulation, classifies the data and forwards the same to the data analysis module. The data analysis module receives the data which reflects the simulation state, simultaneously acquires a test rule basis which corresponds to a current test project and interprets the received state data according to the test rule basis, and the interpretation results are sent to the simulation core module.

The invention belongs to experimental devices in the field of machines, in particular to a cam profile detection and simulation processing experimental device which can detect the motion profile of acam and simultaneously realize the simulation processing of the cam. The cam profile detection and simulation processing experimental device comprises a cabinet, a cam profile measuring mechanism, a mounting mechanism of the measured cam and a simulation processing experimental mechanism, wherein the cam profile measuring mechanism comprises a linear displacement sensor, a cylindrical cam profilemeasuring rod and a disc-shaped cam profile measuring rod, and the mounting mechanism of the measured cam comprises a cam shaft which is mounted on the cabinet, connected with the rotation power and used for mounting the measured cam; and the simulation processing mechanism comprises a milling cutter part with the vertical milling form and a workbench part, and the workbench part comprises a driving mechanism which can produce the three-axis movement and the one-axis movement, and a workbench mounted on the driving mechanism. The cam profile detection and simulation processing experimental device has the beneficial effects of integrating the cam profile simulation design processing and the detection into a whole, having complete functions, and compact structure, and realizing multiple purposes on an experimental platform.

The invention discloses a simulation design method for rolling hole patterns of a steel rail, and belongs to the technical field of design and manufacturing of steel rail rolling equipment. The simulation design method for the rolling hole patterns of the steel rail, provided by the invention, is convenient to operate, high in automation degree and capable of improving the simulation analysis accuracy and avoiding errors. The method comprises the following steps: developing a set of simulation design software comprising a CAD (Computer Aided Design) hole pattern design module, a CAE (Computer Aided Education) hole pattern optimization module and a CAM (Computer Aided Manufacturing) hole pattern processing code generation module, and calling corresponding database information through the modules respectively; designing the rolling hole patterns of all rolling passes of the steel rail, dividing finite element grids for the rolling hole patterns with different specifications, establishing and correcting a related boundary condition model, and generating CAM codes of the rolling hole patterns of rollers corresponding to all the rolling passes. Due to the fact that the design and optimization of the rolling hole patterns of the steel rail and the generation of CAM processing codes are completed through the software respectively, the operation is simplified, the efficiency is improved, and the production cost is reduced.

The invention discloses a virtual simulation method and system of a camera motion control system in film shooting, and belongs to the technical field of camera control. The method and the system cause a film creator to more visually regulate the motion track and the picture sequence of the camera according to own operation habits and visual angles, picture planning and the like in the early stage of film shooting, utilizes three-dimensional virtual simulation to design a satisfactory lens effect for the creator, automatically calculates the parameters of the camera motion control system which plans to be adopted, and precisely controls the space coordinates of the camera lens so as to improve the interaction of the camera motion control system, save the shooting cost of the lens which uses the camera motion control system and greatly improve the digital manufacture quality and efficiency of the film.

The invention relates to a drilling machine system based on sliding guide drilling closed loop control and a drilling method. The system comprises a dynamic measuring unit sub system, a ground monitoring sub system, an execution sub system and a guide drilling system, wherein the dynamic measuring unit sub system measures the parameters such as the well deviation, the orientation and the tool surface of an underground power drill tool in real time, and sends the parameters to the ground monitoring sub system; the ground monitoring sub system achieves the goal of re-determining the trace of a borehole to be drilled according to the designed borehole track and the target point when the condition that the borehole track deviates the designed borehole track is found through comparison; the ground monitoring sub system determines the top drive / turntable rotating angle and the drilling pressure regulation strategy through being combined with a top drive / turntable-drilling pressure combined control chart obtained according to the many-body dynamics simulation design analysis, and then dynamically regulates the drilling pressure and the drift of the tool surface of the underground power drilling tool through regulating the rotating angle of a top drive / turntable and the speed of a traveling block by the execution sub system, so that the stability of the underground tool surface and the drilling pressure is maintained; the closed loop automatic control of the sliding guide drilling borehole track is realized; the operation efficiency and the control precision of the directional well borehole track are effectively improved; and the borehole quality is improved.

The invention discloses a method and system achieving integration of self-help decoration and installation. The method comprises the steps: after a user login entry receives correct user login information and determines login, calling and displaying a user design interface, wherein a simulation design area is formed in the user design interface; displaying a preset house type structure chart selected by a user and displaying house things selected by the user in the house type structure chart to form a three-dimensional simulation design chart; after receiving the request of displaying information of the house things selected by the user, extracting and displaying the information of each house thing selected by the user; after receiving the request of displaying the total price of the house things selected by the user, extracting the price of each house thing selected by the user, working out the total price and displaying the price of each house thing and the total price in the form of a detailed list. By means of the method, the decoration process is more convenient and more systematized, and the decoration efficiency of the user is improved.

The invention discloses a simulation method, a simulation device and a simulation system for high speed signal channel via holes. The method comprises the following steps of: classifying the via holes according to type information and plate thickness information of a plate material; modeling the classified via holes and constructing an original via hole model library; performing simulation test verification on the original via hole model library and constructing a verified via hole model device library; and forming an actual via hole simulation model for simulation by using the via hole model device library. Compared with the prior art, the simulation method, the simulation device and the simulation system for the high speed signal channel via holes have the advantages that: the high speed signal channel via hole simulation efficiency is improved, the time of high speed signal passive channel simulation design is shortened, and the simulation accuracy is improved.

The invention relates to a rapid development system and a rapid development method for parallel robots. The rapid development system is provided with a support system, a numerical calculation system, a CAD (Computer Aided Design) system, a CAE (Computer Aided Engineering) system and a control system to provide a design platform support for the rapid development system for parallel robots. The rapid development system is additionally provided with a supporting database which is used for providing a basic support for the system, a resource information management module which is provided with a data exchange interface and is used for the management of the supporting database, a design module which is used for designers to perform theoretical design analysis of the parallel robots, a structural design module which is used for the structural design of the parallel robots, a model verification module which is used for motion simulation analysis of the parallel robots, a CAE simulation design module which is used for simulation analysis, an electromechanical coupling design module which is used for electromechanical coupling simulation design, and an optimization design module which is used for the optimization design of the designed parallel robots. The rapid development system and the rapid development method for parallel robots have the advantages that the integrated design of the parallel robots can be realized and the research, development and design efficiency and quality of the parallel robots are effectively improved.

A workshop layout method for the complex job of simulating human cell evolution comprises the specific steps of (1) multi-target layout function determination, and (2) human cell evolution simulation design, wherein the target function of the workshop layout is specified in the specification, and the human cell evolution simulation design comprises cell machine model design, a difference intelligent cell algorithm and a dynamic difference intelligent cell algorithm.

The invention discloses a montanic photovoltaic power station layout platform and layout method. The method comprises the steps that an unmanned aerial vehicle takes off according to a montanic path plan, performs photographing on mountain topography, acquires geographical location information of a mountainous region, and stores the geographical location information and aerial photos; the geographical location information and the aerial photos are imported in a background processing module, the background processing module performs recovery processing on the geographical location information and the aerial photos, and a topographic contour map is generated; and the topographic contour map is imported in three-dimensional photovoltaic software PDP, the three-dimensional photovoltaic software PDP automatically identifies contour lines and elevation point information in the topographic contour map, a three-dimensional photovoltaic power station geographical model is generated, shadow shielding information is calculated automatically according to the three-dimensional photovoltaic power station geographical model, a layout region is analyzed, the layout region is subjected to photovoltaic array layout design, support foundation design and electric connection design, and the three-dimensional photovoltaic power station geographical model is automatically converted into a montanic photovoltaic power station simulation design model. The layout platform and the layout method are high in efficiency, high in precision and low in cost.

The invention relates to an engine simulation design method. The method comprises the following steps that for any selected engine components, an engine power diagram and paths of air flowing through an engine are drawn, and the output end of one component is connected to the input end of the next component through a connecting joint; the function relationship between program input, system variables and specified characteristics of the components is obtained according to the mutual connection relation of all the components; calculation is carried out through the function relationship, so that a simultaneous algebra transcendental equation and partial differential equation set to be solved is obtained; the equations and / or the equation set are / is solved, and the parameters of all joints and an overall performance parameter of the whole engine are obtained. According to the engine simulation design method, the relative programs of heat exchange calculation of a by-pass heat exchange component is added, calculation precision is improved, technical parameters are provided for related manufactures producing engines in the process of troubleshooting of the same series, the method serves the actual production, the working efficiency of calculation of engine performance is improved greatly, and the deep developing capacity of the engine is improved.

A method for providing verification for a simulation design involves analyzing a simulation design using a testbench comprising a rapid bug detection tool, and if a bug is detected, adding a bug isolation tool to the testbench, and isolating and eliminating the bug using the testbench comprising the bug isolation tool.

The invention provides a method for modeling an HI concentrating rectifying tower in iodine-sulfur circulating hydrogen production. Rectification is achieved when HI concentrating and separating are performed in iodine-sulfur circulating hydrogen production. An NRTL model is selected to correct the liquid-phase imperfection of a ternary mixture in an HI-I2-H2O system, binary gas-liquid balance experimental data of an H2O-HI-H2O-I2 system and an HI-I2 system are combined, and binary interaction parameter in NRTL model expressions of the three systems are correlated. With simulation software AspenPlus, systematic simulation design is performed on the HI rectifying tower, key operation parameters are analyzed and optimized, and then optimized operation conditions are obtained; by analyzing sensitivity, influences on separation conditions of the plate number, reflux ratio and feedstock components of the HI rectifying tower are investigated, the optimal value is determined, and a theoretical basis is provided for further research on the process technique of industrial iodine-sulfur circulating hydrogen production.

The invention relates to a sliding guide drilling closed-loop control system and a sliding guide drilling closed-loop control method. The system comprises a dynamic measuring sub system, a ground monitoring sub system and an executing sub system, wherein the dynamic measuring sub system measures parameters such as the well deflection, the orientation and the underground motor drill tool surface in real time and sends the parameters to the ground monitoring sub system; when the ground monitoring sub system discovers that the actually drilled wellbore trajectory deviates from the designed wellbore trajectory through comparison, a wellbore trajectory to be drilled is determined again according to the designed wellbore trajectory and the target spot; a top drive / turntable-bit pressure combined control plate obtained according to the many-body dynamics simulation design analysis is combined to determine the top drive / turntable rotating angle and a bit pressure regulating strategy; then, the underground tool surface and bit pressure stability is maintained through regulating the top drive / turntable rotating angle and the traveling block speed by the executing sub system and dynamically regulating the drift and the bit pressure of the underground motor drill tool surface; the sliding guide drilling wellbore trajectory closed-loop automatic control is realized; the operation efficiency and the control precision of the directional wellbore trajectory are effectively improved; and the wellbore quality is improved.

The invention provides a fractional sampling rate conversion method for a complex coefficient Hilbert band-pass filter. A real coefficient band-pass filter with the sampling rate of L*fsi is designed by engineering simulation design software Matrix Laboratory (MATLAB), then an impulse response sequence of real numbers hr(n) is converted into an impulse response sequence of complex numbers hc(n) by a Hilbert transformation function provided by the MATLAB, and the hc(n) is taken as the complex coefficient of the Hilbert band-pass filter; an L phase subfilter complex coefficient is acquired, and the L phase subfilter is realized through an implementation structure of a common finite impulse response (FIR) filter in a field programmable gate array (FPGA), so that an L times of parallel interpolation filter structure with increased sampling rate is formed; M times of extraction rate conversion is realized through write operation of a first in first out (FIFO) data buffer, and through independent write operation on the FIFO in a clock domain with sampling rate of fsi and independent read operation on the FIFO in the clock domain with the output sampling rate of fso=(L / M)*fsi, direct data transmission between the clock domain with the sampling rate of fsi and the clock domain with the sampling rate of fso is isolated, so that fractional rate L / M is changed.

A method for providing verification for a simulation design, including obtaining the simulation design comprising a programming language interface system call, encoding a target of the programming language interface system call into the simulation design to obtain a first modified simulation design, modifying the programming language interface system call to reference the target in the first modified simulation design to obtain a second modified simulation design, and verifying the second modified simulation design using a simulation testbench.

The invention discloses software-radar library mode signal processing middleware, and relates to the technical field of radar system simulation. The technical problems such as low expansibility, low efficiency, low multiplexing conformity, long developing cycle and the like caused by limitation of a software-radar framework structure are solved. The software-radar library mode signal processing middleware disclosed by the invention abstracts an operating system and a hardware platform, provides various interfaces for top-level function application software design of the software radar and achieves a supporting effect on the upper application, loose coupling of the operating system and the hardware platform is realized while guaranteeing simulation design and high operating efficiency, and the reusability and expandability of the simulation library are improved.

The invention relates to a method for making a curved frequency selective surface by a three-dimensional printing technology, belonging to the technical field of micro machining and microwaves and solving the technical problem that no method in the prior art is suitable for preparing a curved frequency selective surface which is not developable in shape. The method for making the curved frequency selective surface comprises the steps of: firstly, establishing a three-dimensional CAD (Computer Aided Design) model of a bearing substrate of the curved frequency selective surface and a three-dimensional CAD model of metallized protection shell of the bearing substrate according to a simulation design result, then discretizing the CAD model, converting the CAD model into an STL (Standard Template Library) file, inputting the STL file to a three-dimensional printer, rapidly phototyping the CAD models to obtain the bearing substrate of the curved frequency selective surface and the metallized protection shell of the bearing substrate, and carrying out surface metalizing to obtain the thin-screen curved FSS (Frequency Selective Surface). The method provided by the invention also can be used for making a thick-screen curved FSS. The method provided by the invention is simple, and can be used for making a curved FSS which can be developable into a plane, and a curved FSS which can not be developable into the plane.

The invention provides a super-lens microstructure generation method. The method includes the following steps of generating phase maps, calculating phase distribution and generating microstructures. The invention further relates to a micro biphoton microscopy system based on the super-lens. A super-surface lens is introduced into the field of biphoton microscopy, medium numerical aperture focusingis achieved under full field of view, the structure of a microscope is greatly simplified, the weight of the overall equipment is largely reduced, and lighter load animal experiments can be achieved.The reliability of in vivo biphoton microscopy experimental data is improved, and the method has high scientific value for micro biphoton, especially in vivo microscopic imaging; the influence of a backpack type micro microscope system on observed objects (such as mice) is further reduced. According to the system, from simulation design to processing to experiments, a super-surface lens is introduced into the biphoton microscopy imaging system, and a new generation of imaging equipment is provided for brain imaging of living animals. The progress in brain and Neuroscience research is promoted.

The invention relates to a method for simulating designing the ship anchor system, which comprises: using CAD to build three-dimension models of each element of anchor system, while the bought anchor element is built according to the provided picture, to build the models of anchor chain tube, anchor lip and ship head, to fix the anchor chain tube mounting position at the ship heads; installing each element to check and modify them according to the product parameter; using CAE to set the element linkage, design the motion couple, build three-dimension contact, build force, set gravity direction, simulate motion, while the simulated structure can reflect the adhere station between anchor lip and anchor, then checking and modifying, to lead out the data and picture. The invention can avoid using wood model to simulate the anchor, to improve the design accuracy and reduce cost.

A system for tracing a simulation design involves an encoded assertion asserting a value of a node of the simulation design at a point in a simulation, a fanin cone detection facility configured to obtain a fanin cone for the encoded assertion, a waveform trace facility configured to obtain waveform data including a history of signal values for the node, and a simulation toolkit configured to obtain node data using the fanin cone and the waveform data.

The invention relates to illumination layout simulation method and system. The prior art has no simulation design method and system for an illumination system. Accordingly, the illumination layout simulation method comprises the following steps of: 1, drawing a three-dimensional model for each electric light source, at least for the luminescence part of each electric light source; 2, setting uniform and dense points on the surface of the luminescence part of each three-dimensional model, and setting radials outwards from each point along a normal direction, wherein a light ray model of the electric light source is formed by all the radials; and 3, intercepting a corresponding section on the corresponding position of the light ray model according to the shape of a surface (which is not limited to be plane) to be illuminated and a relative position between the surface to be illuminated and the electric light source, wherein a cutoff point is formed on the section by each intercepted radial, and the shape and the position of the section correspond to the surface to be illuminated. The invention can provide real-time, cheap and accurate guidance for illumination designs and is suitable for various lamp enterprises and design and production units of the illumination systems.

The invention relates to a simulation test piece and a simulation design method for a blade root portion of a turbine. The method comprises the following steps: (1) simulating the shape of a blade byusing a vertical metal plate in the middle of two parallel metal plates; (2) simulating the structure of the blade root portion by using rounded corners of a connection portion of the vertical metal plate and the parallel metal plates; and (3) taking the maximum thickness of the blade as the thickness of the vertical metal plate, and ensuring that Von Mises equivalent stress, stress gradient and equivalent strain of the investigated location of the vertical metal plate are the same as that of the investigated point of an actual blade by adjusting an offset distance between the vertical metal plate and the axis, and the fillet radius and tensile load of the root portion of the vertical metal plate.

The invention discloses a simulation design method for an AC coupling capacitor reference plane. The method comprises the steps of S1, establishing a PCB model, wherein a hole digging size of an impedance hole is gradually increased by 2mil from a size equal to that of a pad, until the lower side of a capacitor is integrally hollowed; S2, extracting a PCB S parameter through utilization of Sigrity Power SI, importing the S parameter into Hspice for TDR impedance simulation, thereby obtaining a TDR impedance simulation curve and the TDR impedance simulation curve at the position of the capacitor; S3, extracting the impedance at the position of 470ps, obtaining impedance values corresponding to 7 cases and drawing an impedance change curve; and S4, analyzing a simulation result. The method has the beneficial effects that 1, through comparison of various elliptical hole digging modes, a hole digging area with the best impedance continuity effect is found, the impedance continuity of a link is ensured, thereby achieving a signal completeness purpose; and 2, the elliptical hole digging size is researched, thereby obtaining the best hoe digging area, the method is high in operability, is easy to realize in design and production and can be widely applied to the field of high-speed PCB design.

The invention discloses a lower limb active and passive rehabilitation training apparatus, which comprises a base, a left and right thigh supporting mechanism, a left and right calf supporting mechanism, a foot support, an external controller and two folded brackets. According to the rehabilitation training apparatus provided by the invention, an exoskeleton-type folded structure is adopted, and the simulation design of a bracket, which can fit to leg curves, can be achieved via telescopic thigh and calf supporting mechanisms in accordance with different lower limb sizes. In a transmission system, hip joints can be controlled under the driving of two stepping motors, and then ankle joints can be controlled by connecting a stepping motor to a rolling shaft screw lead. Continuous passive rehabilitation training that three joints, namely hip joint, knee joint and ankle joint, are linked can be achieved, and rehabilitation training of only the ankle joint can be achieved via the stepping motor. The rehabilitation training apparatus provided by the invention serves for a patient that lower limb needs to undergo rehabilitation training; and active and passive modes are combined, so thatdoctors are facilitated in objective rehabilitation assessment; therefore, the rehabilitation training apparatus is conducive to improvement and confirmation of a treatment scheme.